Hermetica Superfood Encyclopedia
The Short Answer
Eupalitin is a naturally occurring O-methylated flavone found in plants such as Eupatorium and Artemisia species, belonging to the broader flavonoid class of polyphenolic compounds. Its primary investigated mechanism involves inhibition of angiotensin-converting enzyme (ACE), suggesting potential antihypertensive activity based on molecular docking data.
CategoryNamed Bioactive Compounds
GroupCompound
Evidence LevelModerate
Primary Keywordeupalitin benefits
Synergy Pairings3
Eupalitin — botanical close-up
Health Benefits
Origin & History
Natural habitat
Eupalitin is a flavone compound (3,5,4'-trihydroxy-6,7-dimethoxyflavone) naturally occurring in plants including Artemisia annua, Aeonium glutinosum, Arnica montana, and Boerhavia diffusa. It is extracted using methanol extraction followed by ethyl acetate partitioning and crystallization methods.
“No specific traditional medicinal uses for eupalitin itself are documented. While found in plants like Boerhavia diffusa that have traditional applications, eupalitin as an isolated compound lacks documented historical use.”Traditional Medicine
Scientific Research
No human clinical trials, RCTs, or meta-analyses have been conducted on eupalitin. Current research is limited to preclinical studies including in silico molecular docking and rat models testing its glycoside form (eupalitin 3-O-β-D-galactopyranoside) for antihypertensive effects.
Preparation & Dosage
Traditional preparation
No clinically studied dosage ranges are available for eupalitin due to absence of human trials. Consult a healthcare provider before starting any new supplement.
Nutritional Profile
Eupalitin (3',4',5,7-tetrahydroxy-6-methoxyflavone) is a pure isolated flavone compound, not a whole food ingredient, and therefore lacks conventional macronutrient or micronutrient content. As a bioactive compound, its relevant profile is defined by its molecular and phytochemical characteristics: Molecular formula C16H12O7, molecular weight approximately 320.26 g/mol. It belongs to the flavone subclass of flavonoids, structurally characterized by a 6-methoxy substitution on the A-ring alongside hydroxyl groups at positions 3', 4', 5, and 7. Bioactive compound concentration when isolated is nominally 100% pure compound; in natural plant sources such as Eupatorium species and some Asteraceae family plants, it occurs in trace quantities typically in the range of 0.01–0.5% dry weight depending on plant part and extraction method. No vitamins, dietary minerals, dietary fiber, or protein content are applicable to this isolated compound. Bioavailability data in humans is absent; preliminary pharmacokinetic inference from structurally analogous flavones (e.g., luteolin, apigenin) suggests potential oral bioavailability of 5–20%, likely subject to extensive phase II metabolism (glucuronidation and sulfation) and gut microbiome biotransformation. The methoxy group at C-6 may modestly enhance lipophilicity compared to non-methoxylated analogs, potentially improving membrane permeability (estimated logP approximately 1.8–2.3). No established dietary reference values or tolerable upper intake levels exist for eupalitin specifically.
How It Works
Mechanism of Action
Eupalitin has demonstrated binding affinity to angiotensin-converting enzyme (ACE) at a docking score of -7.89 kcal/mol in computational studies, suggesting it may competitively inhibit ACE-mediated conversion of angiotensin I to the vasoconstrictive peptide angiotensin II, thereby potentially reducing peripheral vascular resistance. As an O-methylated flavone, eupalitin may also modulate oxidative stress pathways by scavenging reactive oxygen species (ROS) and interacting with Nrf2-mediated antioxidant response elements, consistent with mechanisms observed across the flavone subclass. Hepatoprotective activity, where preliminary data exists, is theorized to involve attenuation of NF-κB inflammatory signaling and reduction of lipid peroxidation in hepatocyte models.
Clinical Evidence
To date, no published human clinical trials have evaluated eupalitin as an isolated compound, meaning all efficacy data originates from in silico (molecular docking), in vitro (cell culture), or limited in vivo (animal) studies. The strongest available evidence is a computational binding study reporting a -7.89 kcal/mol ACE inhibition score, which is hypothesis-generating but does not confirm pharmacological activity in living systems. Cardiovascular and hepatoprotective claims are largely extrapolated from the broader flavone and flavonoid literature, where compounds with similar methylation patterns have shown measurable effects in rodent models. The overall evidence base for eupalitin-specific health benefits must be characterized as preliminary and insufficient to support therapeutic recommendations without rigorous controlled trials.
Safety & Interactions
No dedicated human safety or toxicology trials have been conducted specifically for isolated eupalitin, making it impossible to establish a confirmed adverse effect profile or maximum tolerable dose at this time. Because eupalitin may inhibit ACE activity based on computational evidence, concurrent use with prescription ACE inhibitors (e.g., lisinopril, enalapril) or angiotensin receptor blockers (ARBs) represents a theoretical additive hypotensive interaction risk that warrants caution. As a flavonoid, eupalitin could theoretically influence cytochrome P450 enzyme activity (particularly CYP3A4 and CYP1A2), potentially altering metabolism of co-administered drugs, though this has not been directly studied for eupalitin. Pregnant and breastfeeding individuals should avoid supplementation given the complete absence of reproductive safety data.
Synergy Stack
Hermetica Formulation Heuristic
Frequently Asked Questions
What is eupalitin and what plants does it come from?
Eupalitin is an O-methylated flavone, specifically 3',4',5,7-tetrahydroxy-3-methoxyflavone in some classifications, identified in plant genera including Eupatorium, Artemisia, and related Asteraceae family members. It is a secondary plant metabolite in the flavonoid family, sharing structural characteristics with other bioactive flavones such as luteolin and acacetin. Its natural plant sources are not widely cultivated specifically for eupalitin extraction, so it is not commonly available as a standardized single-ingredient supplement.
Does eupalitin lower blood pressure?
There is no human clinical evidence confirming that eupalitin lowers blood pressure; the antihypertensive hypothesis is based entirely on a molecular docking study showing a binding affinity score of -7.89 kcal/mol to the ACE enzyme, which converts angiotensin I to the vasoconstrictor angiotensin II. While this computational finding is a scientifically reasonable starting point, binding scores in silico do not reliably predict blood pressure reduction in human physiology. Individuals seeking evidence-based blood pressure management should rely on clinically validated interventions rather than eupalitin at this stage of research.
Is eupalitin safe to take with blood pressure medications?
Because eupalitin has demonstrated theoretical ACE-inhibiting potential in computational models, combining it with prescription ACE inhibitors like lisinopril or ramipril, or with ARBs like losartan, could theoretically produce additive blood pressure-lowering effects, raising the risk of hypotension. No pharmacokinetic or pharmacodynamic interaction studies have been conducted in humans or animals to quantify this risk. Anyone taking antihypertensive medications should consult a licensed healthcare provider before using any eupalitin-containing product.
What is the difference between eupalitin and luteolin?
Both eupalitin and luteolin are flavones sharing a common polyphenolic backbone, but eupalitin is an O-methylated derivative, meaning it carries a methoxy (-OCH3) group substitution that luteolin lacks. This methylation typically increases lipophilicity, which can improve cellular membrane permeability and alter metabolic stability compared to unmethylated flavones like luteolin. Luteolin has a substantially larger body of clinical and preclinical research supporting anti-inflammatory, neuroprotective, and antioxidant effects, whereas eupalitin-specific evidence remains largely limited to computational and theoretical studies.
Are there any eupalitin supplements available to buy?
Eupalitin is not widely available as a standardized, isolated single-ingredient dietary supplement in the commercial market as of current knowledge. It may appear in trace amounts within whole-herb extracts from Eupatorium or Artemisia species, but such products are not standardized to eupalitin content and would not deliver a measurable or reliable dose. Given the absence of human clinical trials establishing an effective or safe dose, there is currently no evidence-based dosage recommendation for eupalitin supplementation.
What does the research quality show about eupalitin's effectiveness?
Current evidence for eupalitin is predominantly preliminary, consisting of molecular docking studies and animal research (mainly rat models) rather than human clinical trials. The most promising data involves theoretical ACE inhibition based on binding scores, but this has not been validated in human subjects. While the flavone class to which eupalitin belongs shows general antioxidant properties, direct clinical evidence specifically demonstrating eupalitin's efficacy in humans remains limited and would require further investigation.
Who should avoid eupalitin supplementation?
Individuals taking ACE inhibitors or other blood pressure medications should consult a healthcare provider before using eupalitin supplements, as the compound may have additive hypotensive effects based on preliminary evidence. Pregnant and nursing women should avoid eupalitin due to insufficient safety data in these populations. Those with liver disease should exercise caution, as hepatoprotective research has only been conducted in animal models and human safety has not been established.
Can I get sufficient eupalitin from dietary sources alone?
Eupalitin naturally occurs in certain plants and botanical materials, but typical dietary intake levels are not well-documented in nutritional literature. There is currently no established dietary reference intake (DRI) for eupalitin, making it unclear whether food sources alone could deliver amounts used in preliminary research studies. Supplementation may be necessary to achieve the concentrations tested in molecular and animal studies, though the optimal human dose remains unknown.
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